--- image_caption.js.orig	2011-08-23 14:02:47.000000000 -0400
+++ image_caption.js	2011-08-23 14:02:55.000000000 -0400
@@ -31,6 +31,7 @@ Drupal.behaviors.image_caption = {
       
       //Display inline block so it doesn't break any text aligns on the parent contatiner
       $(this).wrap("<span class=\"image-caption-container\" style=\"display:inline-block;" + style + "\"></span>");
+      $(this).parent().addClass($(this).attr('class'));
       $(this).parent().addClass('image-caption-container-' + alignment);
       
       // Add dimensions, if available